Polk Ultramarine 7.7" Coaxial Speakers - Black [UMS77BR]

Polk Ultramarine 7.7" Coaxial Speakers - Black [UMS77BR]

  • $359.99
    Unit price per 
  • Save $70

Ultramarine 7.7" Coaxial Speakers - Black

The Polk UMS77W speaker uses air suspension technology to deliver 200 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water.


  • Black housing and grille
  • Air Suspension Design
  • Cast Aluminum Basket
  • High Temp Voice coil
  • XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support)
  • Snap On Grille Installation Option
  • Silver Cone
  • Insulated Tinsel Leads

∗Sold in pairs

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.


  • Watts Max: 200w
  • Size: 7.7"
  • QTY: Pair
  • Mounting Style: Flush
  • Box Dimensions: 11"H x 16"W x 11"L WT: 14.1 lbs
  • UPC: 681787023095

Brochure (pdf)